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Financial Risk Management - Summary of Funding Programs (Detail) - 12 months ended Dec. 31, 2024 kr in Millions, $ in Millions | USD ($) | SEK (kr)
--- | --- | ---
Euro Medium Term Note Program [member] |  |
Disclosure Of Funding Programs [Line Items] |  |
Amount | $ | $ 5,000 |
Utilized | $ | 2,178 |
Unutilized | $ | $ 2,822 |
Commercial Paper Program [Member] |  |
Disclosure Of Funding Programs [Line Items] |  |
Amount | kr |  | kr 10,000
Utilized | kr |  | 1,615
Unutilized | kr |  | kr 8,385

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- Definition Disclosure of funding programs. + References No definition available. + Details
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- Definition Funding program amount. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Funding program unutilized amount. + References No definition available. + Details
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- Definition Funding program utilized amount. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |